The Ultimate Bubble?
vanityfair.com
vanityfair.com
IIRC when a magazine has "February 2009" on the cover, it really means "take this off the newsstand by March 2009".
Those investors (like homeowners and the occasional VC limited partner) could default on their pledges, but that might prove even more costly -- in reputation, in loss of their other monies already stuck at the PE firm, etc.